BTRFS info (device loop1): rebuilding free space tree
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8521 Comm: syz.1.450 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline]
 validate_chain kernel/locking/lockdep.c:3837 [inline]
 __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754
 do_write_seqcount_begin_nested include/linux/seqlock.h:469 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:495 [inline]
 psi_group_change+0x224/0x12e4 kernel/sched/psi.c:787
 psi_task_switch+0x180/0x618 kernel/sched/psi.c:938
 psi_sched_switch kernel/sched/stats.h:185 [inline]
 __schedule+0x1e40/0x24d8 kernel/sched/core.c:6740
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7067
 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:301 [inline]
 __el1_irq arch/arm64/kernel/entry-common.c:539 [inline]
 el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:551
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594
 check_kcov_mode kernel/kcov.c:173 [inline]
 write_comp_data kernel/kcov.c:236 [inline]
 __sanitizer_cov_trace_const_cmp8+0x34/0x80 kernel/kcov.c:311
 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:140 [inline]
 remove_free_space_extent fs/btrfs/free-space-tree.c:733 [inline]
 __remove_from_free_space_tree fs/btrfs/free-space-tree.c:828 [inline]
 remove_from_free_space_tree+0x488/0xe38 fs/btrfs/free-space-tree.c:857
 alloc_reserved_extent+0x5c/0x3c0 fs/btrfs/extent-tree.c:4762
 alloc_reserved_tree_block fs/btrfs/extent-tree.c:4925 [inline]
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1730 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1762 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2027 [inline]
 __btrfs_run_delayed_refs+0x1680/0x3cbc fs/btrfs/extent-tree.c:2097
 btrfs_run_delayed_refs+0x180/0x2bc fs/btrfs/extent-tree.c:2209
 commit_cowonly_roots+0x574/0x750 fs/btrfs/transaction.c:1375
 btrfs_commit_transaction+0x1174/0x2ba8 fs/btrfs/transaction.c:2429
 btrfs_rebuild_free_space_tree+0x1d4/0x4b4 fs/btrfs/free-space-tree.c:1356
 btrfs_start_pre_rw_mount+0xbd4/0x1000 fs/btrfs/disk-io.c:2999
 open_ctree+0x1d18/0x21b0 fs/btrfs/disk-io.c:3554
 btrfs_fill_super fs/btrfs/super.c:946 [inline]
 btrfs_get_tree_super fs/btrfs/super.c:1863 [inline]
 btrfs_get_tree+0xdd0/0x136c fs/btrfs/super.c:2089
 vfs_get_tree+0x90/0x288 fs/super.c:1789
 fc_mount+0x24/0xac fs/namespace.c:1125
 btrfs_get_tree_subvol fs/btrfs/super.c:2052 [inline]
 btrfs_get_tree+0x4e4/0x136c fs/btrfs/super.c:2090
 vfs_get_tree+0x90/0x288 fs/super.c:1789
 do_new_mount+0x278/0x900 fs/namespace.c:3352
 path_mount+0x590/0xe04 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __arm64_sys_mount+0x3c4/0x488 fs/namespace.c:3875
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598